Java J2EE Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java (6529)
Advanced Java (552)
Swing (223)
EJB (402)

Servlets (804)
Struts (701)
JDBC (771)
JMS (324)

SunOne (10)
J2EE (485)
Weblogic (694)
Websphere (573)

Java J2EE Interview Questions

Questions Answers Views Company eMail

In how many ways we can do synchronization in java?

967

What is difference between c++ and java ?

1124

Explain a situation where finally block will not be executed?

1034

Explain yield() method in thread class ?

1062

What is class level lock ?

1034

What happens if we don’t override run method ?

1004

Explain about static nested classes in java?

1063

Can we create constructor in abstract class ?

1057

Explain purpose of sleep() method in java?

1118

What does null mean in java?

1068

How to do encapsulation in java?

1051

Can one thread block the other thread?

1029

Explain about instanceof operator in java?

1052

Difference between method overloading and method overriding in java ?

1081

Explain about main thread in java?

1077

Un-Answered Questions { Java J2EE }

How many sessionfactory and session objects are usually created?

374

What is the difference between struts and spring? Explain

906

What is the scope or life time of instance variables?

1115

Which list does not allow duplicates in java?

937

What is return code?

1005

What is super keyword explain with example?

1287

Give an example of frequently used spring annotations.

415

Define managed servers?

952

How can we make copy of a java object?

1152

Explain notifyall() method of object class ?

1088

What is the local interface used by web logic server?

950

How to move from one page to another in java swing?

1066

What is orm tool?

359

Give a practical example of singleton class usage?

1058

Can we change the scope of the overridden method in the subclass?

1389

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